Page 4 de l'historique des matchs du joueur de tennis: Retrouvez ici la totalité des matchs et tournois joués par Otto Virtanen.
361 matchs enregistrés.
| 31/10/2025 | Bratislava 2 Challenger | Alexander Blockx vs. Otto Virtanen |
| 29/10/2025 | Bratislava 2 Challenger | Otto Virtanen vs. Tristan Schoolkate |
| 27/10/2025 | Bratislava 2 Challenger | Martin Landaluce vs. Otto Virtanen |
| 21/10/2025 | Brest Challenger | Otto Virtanen vs. Clement Tabur |
| 12/10/2025 | Roanne Challenger | Hugo Gaston vs. Otto Virtanen |
| 11/10/2025 | Roanne Challenger | Matteo Martineau vs. Otto Virtanen |
| 10/10/2025 | Roanne Challenger | Otto Virtanen vs. Calvin Hemery |
| 09/10/2025 | Roanne Challenger | Alexander Blockx vs. Otto Virtanen |
| 06/10/2025 | Roanne Challenger | Tom Paris vs. Otto Virtanen |
| 13/09/2025 | Davis Cup, Group I, 1R, BUL-FIN 3-2 | Alexander Vasilev vs. Otto Virtanen |
| 04/09/2025 | Istanbul Challenger | Stefanos Sakellaridis vs. Otto Virtanen |
| 01/09/2025 | Istanbul Challenger | Pavel Kotov vs. Otto Virtanen |
| 27/08/2025 | Manacor Challenger | Otto Virtanen vs. Hamish Stewart |
| 20/08/2025 | U.S. Open - New York | Otto Virtanen vs. Leandro Riedi |
| 19/08/2025 | U.S. Open - New York | Otto Virtanen vs. Benjamin Willwerth |
| 12/06/2025 | Libema Open - 's-Hertogenbosch | Nuno Borges vs. Otto Virtanen |
| 09/06/2025 | Libema Open - 's-Hertogenbosch | Otto Virtanen vs. Tomas Martin Etcheverry |
| 08/06/2025 | Birmingham Challenger | Colton Smith vs. Otto Virtanen |
| 07/06/2025 | Birmingham Challenger | Otto Virtanen vs. Brandon Holt |
| 06/06/2025 | Birmingham Challenger | Chak Lam Coleman Wong vs. Otto Virtanen |